I traveled to Roblox's headquarters to do a demo of a new safety feature it says will help protect child users.

The original version of this story appeared in Quanta Magazine. When she was 10 years old, Rose Yu got a birthday present that would change her life—and, potentially, the way we study physics. Her ...

Roblox, the blockbuster gaming and social platform with more than 110 million daily users, is facing mounting legal challenges across the United States that accuse it of not ...